xorriso in EL10 no longer contains genisoimage to prepare config_drive image. mkisofs is already used by devstack on Fedora [1] and reported to work on SUSE 15 as well [1] https://opendev.org/openstack/devstack/src/branch/master/lib/nova#L535-L537 Change-Id: Ia36a5225aae501e7ffe556e54b459fe7f8fa97bd Signed-off-by: Dmitriy Rabotyagov <dmitriy.rabotyagov@cleura.com>